The findings thus provide preliminary evidence for an interaction between age and exercise in modulating progranulin expression, with effects of exercise only in
very young mice.
Not exact matches
But new research published in June in Nature Medicine suggests the drug might affect older users
very differently than
young ones — at least in
mice.
«The dynamics of bone growth in
young mice and in children are
very different from those in adults,» said Ken Kozloff, associate professor of orthopaedic surgery and biomedical engineering.
They observed that
mice with defective Mdmx developed
very aggressive lymphomas at a
very young age.
Although exercise modestly increased progranulin in
very young (2 - month - old) wild - type
mice, this effect was limited to the hippocampus.
We demonstrated that this device could reduce the KLRG1 - positive CD8 cell count in aged
mouse blood by a factor of 7.3 relative to the total CD8 cell compartment, reaching a level typically seen only in
very young animals.
In line with the behavioral data, our whole brain TissueCyte ® based analyses suggests that
younger mice (∼ 4 - 5 months) exhibit
very sparse parenchymal plaques while aged
mice (> 7 months) show a clear progression in the number / size of plaques and display differential increases in regional plaque load number / size.
The
mice used in all these the studies were treated with memantine from a
very young age, and we don't know what would happen if the
mice received it only after they got sick - which is how most human patients are treated.